From King Dictionary of Contemporary English
Related topics: Music
allegroal‧leg‧ro /əˈleɡrəʊ, əˈleɪ- $ -ɡroʊ/ noun (plural allegros) [countable] APMa piece of music played or sung quicklyallegro adjective, adverb
Examples from the Corpus
allegroHalf way through the final allegro the world came into existence again, as quietly and effortlessly as it had gone.
Origin allegro (1600-1700) Italian cheerfully, from Latin alacer; ALACRITY